Multi-user wake-up signal

Abstract

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a multi-UE wake-up signal in a downlink control information (DCI) communication. The DCI communication may include a set of content field groups. The UE may identify a content field group of the set of content field groups that is to be read by the UE, and determine a behavior associated with performing a UE wake-up operation based at least in part on the identified content field group. Numerous other aspects are provided.

What is claimed is: 
     
       1. A method of wireless communication performed by a user equipment (UE), comprising:
 receiving, from a base station, a multiple UE (multi-UE) wake-up signal in a downlink control information (DCI) communication based at least in part on a bitmap scheme associated with a set of wake-up indicator fields included in the DCI communication, the DCI communication further including a set of content field groups; 
 identifying a content field group of the set of content field groups that is to be read by the UE; and 
 determining, based at least in part on the identified content field group, a behavior associated with performing a UE wake-up operation. 
 
     
     
       2. The method of  claim 1 , wherein the content field group includes information associated with at least one of:
 a bandwidth part associated with performing the UE wake-up operation; 
 a channel state information (CSI) request associated with performing the UE wake-up operation; or 
 a primary cell or secondary cell indication associated with performing the UE wake-up operation. 
 
     
     
       3. The method of  claim 1 , wherein the DCI communication includes one or more padding bits. 
     
     
       4. The method of  claim 1 , wherein the DCI communication includes a set of cyclic redundancy check (CRC) bits that is scrambled by a wake-up radio network temporary identifier (RNTI). 
     
     
       5. The method of  claim 1 , wherein identifying the content field group comprises:
 identifying the content field group based at least in part on information included in a set of wake-up indicator fields included in the DCI communication. 
 
     
     
       6. The method of  claim 5 , wherein the information included in the set of wake-up indicator fields is a number of occurrences of a particular value in a portion of the set of wake-up indicator fields that precedes a portion of the set of wake-up indicator fields corresponding to the multi-UE wake-up signal. 
     
     
       7. The method of  claim 1 , wherein identifying the content field group comprises:
 identifying the content field group based at least in part on a field group index that is configured on the UE. 
 
     
     
       8. The method of  claim 1 , wherein the behavior indicates that the UE is to transmit a channel state information (CSI) report, and wherein the method further comprises:
 identifying a set of resources in which to transmit the CSI report; and 
 transmitting the CSI report in the set of resources. 
 
     
     
       9. The method of  claim 8 , wherein identifying the set of resources comprises identifying the set of resources based at least in part on at least one of:
 a radio resource control (RRC) configuration; 
 a configured grant; 
 a default configuration; or 
 a partial grant included in the DCI communication. 
 
     
     
       10. The method of  claim 1 , further comprising:
 determining a wake-up radio network temporary identifier (RNTI) associated with the UE,
 wherein the wake-up RNTI is determined based at least in part on:
 another RNTI associated with the UE, 
 a cell identifier, 
 a cell group identifier, or 
 a bandwidth part identifier; and 
 
 
 receiving the DCI communication based at least in part on the wake-up RNTI. 
 
     
     
       11. The method of  claim 10 , wherein the wake-up RNTI is a cell group-level wake-up RNTI. 
     
     
       12. The method of  claim 1 , wherein at least one of:
 the UE wake-up operation includes enabling monitoring of a physical downlink control channel (PDCCH) in association with receiving or transmitting a communication in an upcoming discontinuous reception (DRX) cycle on-duration, or 
 the behavior includes monitoring a particular bandwidth part or transmitting a channel state information (CSI) report. 
 
     
     
       13. A user equipment (UE), comprising:
 one or more memories; and 
 one or more processors coupled to the one or more memories, configured to:
 receive, from a base station, a multiple UE (multi-UE) wake-up signal in a downlink control information (DCI) communication based at least in part on a bitmap scheme associated with a set of wake-up indicator fields included in the DCI communication, the DCI communication further including a set of content field groups; 
 identify a content field group of the set of content field groups that is to be read by the UE; and 
 determine, based at least in part on the identified content field group, a behavior associated with performing a UE wake-up operation. 
 
 
     
     
       14. The UE of  claim 13 , wherein the content field group includes information associated with at least one of:
 a bandwidth part associated with performing the UE wake-up operation; 
 a channel state information (CSI) request associated with performing the UE wake-up operation; or 
 a primary cell or secondary cell indication associated with performing the UE wake-up operation. 
 
     
     
       15. The UE of  claim 13 , wherein the DCI communication includes one or more padding bits. 
     
     
       16. The UE of  claim 13 , wherein the DCI communication includes a set of cyclic redundancy check (CRC) bits that is scrambled by a wake-up radio network temporary identifier (RNTI). 
     
     
       17. A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising:
 one or more instructions that, when executed by one or more processors of a user equipment (UE), cause the UE to:
 receive, from a base station, a multiple UE (multi-UE) wake-up signal in a downlink control information (DCI) communication based at least in part on a bitmap scheme associated with a set of wake-up indicator fields included in the DCI communication, the DCI communication further including a set of content field groups; 
 identify a content field group of the set of content field groups that is to be read by the UE; and 
 determine, based at least in part on the identified content field group, a behavior associated with performing a UE wake-up operation. 
 
 
     
     
       18. The non-transitory computer-readable medium of  claim 17 , wherein the content field group includes information associated with at least one of:
 a bandwidth part associated with performing the UE wake-up operation; 
 a channel state information (CSI) request associated with performing the UE wake-up operation; or 
 a primary cell or secondary cell indication associated with performing the UE wake-up operation. 
 
     
     
       19. The non-transitory computer-readable medium of  claim 17 , wherein the DCI communication includes one or more padding bits, or wherein the DCI communication includes a set of cyclic redundancy check (CRC) bits that is scrambled by a wake-up radio network temporary identifier (RNTI). 
     
     
       20. The non-transitory computer-readable medium of  claim 17 , wherein identifying the content field group comprises:
 identifying the content field group based at least in part on a field group index that is configured on the UE. 
 
     
     
       21. The non-transitory computer-readable medium of  claim 17 , wherein the one or more instructions further cause the UE to:
 determine a wake-up radio network temporary identifier (RNTI) associated with the UE,
 wherein the wake-up RNTI is determined based at least in part on:
 another RNTI associated with the UE, 
 a cell identifier, 
 a cell group identifier, or 
 a bandwidth part identifier; and 
 
 
 receive the DCI communication based at least in part on the wake-up RNTI. 
 
     
     
       22. An apparatus for wireless communication, comprising:
 means for receiving, from a base station, a multiple UE (multi-UE) wake-up signal in a downlink control information (DCI) communication based at least in part on a bitmap scheme associated with a set of wake-up indicator fields included in the DCI communication, the DCI communication further including a set of content field groups; 
 means for identifying a content field group of the set of content field groups that is to be read by the UE; and
 means for determining, based at least in part on the identified content field group, a behavior associated with performing a UE wake-up operation. 
 
 
     
     
       23. The apparatus of  claim 22 , wherein the content field group includes information associated with at least one of:
 a bandwidth part associated with performing the UE wake-up operation; 
 a channel state information (CSI) request associated with performing the UE wake-up operation; or 
 a primary cell or secondary cell indication associated with performing the UE wake-up operation. 
 
     
     
       24. The apparatus of  claim 22 , wherein the DCI communication includes one or more padding bits, or wherein the DCI communication includes a set of cyclic redundancy check (CRC) bits that is scrambled by a wake-up radio network temporary identifier (RNTI). 
     
     
       25. The UE of  claim 13 , wherein the one or more processors are further configured to:
 determine a wake-up radio network temporary identifier (RNTI) associated with the UE,
 wherein the wake-up RNTI is determined based at least in part on:
 another RNTI associated with the UE, 
 a cell identifier, 
 a cell group identifier, or 
 a bandwidth part identifier; and 
 
 
 receive the DCI communication based at least in part on the wake-up RNTI. 
 
     
     
       26. The UE of  claim 13 , wherein the UE wake-up operation includes enabling monitoring of a physical downlink control channel (PDCCH) in association with receiving or transmitting a communication in an upcoming discontinuous reception (DRX) cycle on-duration. 
     
     
       27. The non-transitory computer-readable medium of  claim 17 , wherein the UE wake-up operation includes enabling monitoring of a physical downlink control channel (PDCCH) in association with receiving or transmitting a communication in an upcoming discontinuous reception (DRX) cycle on-duration. 
     
     
       28. The apparatus of  claim 22 , wherein the UE wake-up operation includes enabling monitoring of a physical downlink control channel (PDCCH) in association with receiving or transmitting a communication in an upcoming discontinuous reception (DRX) cycle on-duration.